A、He doubts the woman will like the novel. B、He enjoyed reading the novel. C、He’ll lend the woman the novel after he has read it

M：Did you see the diamond ring Henry gave to Mary?
W: I sure did．It must have cost him an arm and a leg．
Q: What does the woman imply about the ring?

W：I hope you like the novel I lent you．I wasn’t sure whether it was the kind of book you would be interested in．
M：You know．I had the same doubt at first．But once I started I simply couldn’t put it down．
Q：What does the man mean?